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13013013231213 = 3293147711002257
BaseRepresentation
bin1011110101011101010000…
…0001111111011001101101
31201002000212021012011112220
42331113110001333121231
53201201122341344323
643402032403145553
72512105412264112
oct275272401773155
951060767164486
1013013013231213
1141678737a1a36
1215620139752b9
13735177a10628
1432db94436909
15178771d4e0e3
hexbd5d407f66d

13013013231213 has 16 divisors (see below), whose sum is σ = 17411097686976. Its totient is φ = 8645139534080.

The previous prime is 13013013231173. The next prime is 13013013231217. The reversal of 13013013231213 is 31213231031031.

It is a cyclic number.

It is not a de Polignac number, because 13013013231213 - 224 = 13012996453997 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13013013231217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12482581 + ... + 13484837.

It is an arithmetic number, because the mean of its divisors is an integer number (1088193605436).

Almost surely, 213013013231213 is an apocalyptic number.

It is an amenable number.

13013013231213 is a deficient number, since it is larger than the sum of its proper divisors (4398084455763).

13013013231213 is a wasteful number, since it uses less digits than its factorization.

13013013231213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017324.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 13013013231213 its reverse (31213231031031), we get a palindrome (44226244262244).

The spelling of 13013013231213 in words is "thirteen trillion, thirteen billion, thirteen million, two hundred thirty-one thousand, two hundred thirteen".

Divisors: 1 3 293 879 14771 44313 1002257 3006771 4327903 12983709 293661301 880983903 14804338147 44413014441 4337671077071 13013013231213